Akira Oda and his high school classmates are summoned to another world! While the other students are granted cheat abilities through the summoning, Akira merely gains the abilities of a mediocre "assassin." However, his status soon surpasses "hero," the strongest profession. After Akira becomes suspicious of the King behind the summoning, he is falsely framed for a crime and forced to flee.

It was the hottest day of the summer vacation. George, who is a germaphobe, was grudgingly watching the people happily bustling around the edge of the public swimming pool where he had been forced to go.